Home / 156,904.40-235,356.60-50,288.15

Finding the Fourth Proportional to 156,904.40, 235,356.60 and 50,288.15

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Solution

The fourth proportional to 156,904.40, 235,356.60 and 50,288.15 is: 75,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.40 : 235,356.60 = 50,288.15 : x
  2. Step 2: Convert to fraction form
    156,904.40/235,356.60 = 50,288.15/x
  3. Step 3: Cross multiply
    156,904.40x = 235,356.60 × 50,288.15
  4. Step 4: Simplify right side
    156,904.40x = 11,835,648,004.29
  5. Step 5: Solve for x
    x = 11,835,648,004.29/156,904.40
  6. Step 6: Final answer
    x = 75,432.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.